298669690368 has 560 divisors, whose sum is σ = 1036201774080. Its totient is φ = 84195790848.

The previous prime is 298669690339. The next prime is 298669690373. The reversal of 298669690368 is 863096966892.

298669690368 is a `hidden beast` number, since 2 + 98 + 6 + 6 + 96 + 90 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 298669690296 and 298669690305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 206405421 + ... + 206406867.

Almost surely, 2^298669690368 is an apocalyptic number.

298669690368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298669690368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518100887040).

298669690368 is an abundant number, since it is smaller than the sum of its proper divisors (737532083712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298669690368 is an frugal number, since it uses more digits than its factorization.

298669690368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 72.

The spelling of 298669690368 in words is "two hundred ninety-eight billion, six hundred sixty-nine million, six hundred ninety thousand, three hundred sixty-eight".